Brctl

brctl commands allows ethernet bridge administration in Linux. It is included in bridge-utils package in Ubuntu.

Commands

brctl show
bridge name	bridge id		STP enabled	interfaces
virbr0		8000.325400810bc6	yes		virbr0-nic

brctl show
bridge name	bridge id		STP enabled	interfaces
docker0        8000.02424a095b68	no
virbr0		8000.525400118b5a	yes		virbr0-nic

bridge name	bridge id		STP enabled	interfaces
docker0		8000.02429250bfb7	no		
virbr0		8000.525400a300b0	yes		virbr0-nic
virbr1		8000.525400999cef	yes		virbr1-nic

vnet0

Related commands

• virsh net-info

See also

• KVM: virsh net-list
• STP Spanning Tree Protocol

https://linux.die.net/man/8/brctl